// components/like/index.js
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    like:{
      type:Boolean,
      value:false,
     
    },
    readOnly: { type: Boolean },
    count:{
      type:Number
    }
  },

  /**
   * 组件的初始数据
   */
  data: {
    yesSrc: 'images/like_on.png',
    noSrc: 'images/like.png',
  },

  /**
   * 组件的方法列表
   */
  methods: {
    onLike:function(event){
      if (this.properties.readOnly){
        return
      }
      let like = this.properties.like;
      let count=this.properties.count;
      count=like?count-1:count+1;
     
      this.setData({
        count: count,
        like: !like
      })
      let behavior=this.properties.like?'like':'cancel' 
      this.triggerEvent('like',{
        behavior:behavior
      },{})
   
    }
  }
})
